A hidden night cleaning device for exhibitions based on the principle of photoresistor
A technology of photoresistor and cleaning device, applied in the field of non-medical health information consultation, can solve problems such as affecting the comfort of the masses, inconvenient walking for passers-by, and reducing the clarity of the display screen, so as to avoid dust and stains, and achieve a high degree of automation. , the effect of reducing workload
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] see Figure 1-5 , a hidden night-time cleaning device for exhibitions based on the principle of photoresistors, comprising an exhibition frame 1, a transparent screen is fixedly connected to the outside of the exhibition frame 1, a top frame 2 is fixedly connected to the top of the exhibition frame 1, and the outside of the top frame 2 is fixed Connected with lighting lamps, the inside of the top frame 2 is movably connected with a first rotary frame 3,...
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